Cards from 'The First Chapter', 'Rise of the Floodborne', 'Into the Inklands', and 'Ursula's Return' are not legal in the game's Core Constructed format, except when the card has been reprinted in a later set
When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card and put it onto the battlefield tapped
Alternatively, you may want to push Karlov off to a supporting role in a list that focuses on a theme of +1/+1 counters like Ghave, Guru of Spores
This year, Magic: The Gathering celebrates our 30th anniversaryand we're going all out on the party planning
Crown of the Ages allowed you to change the target of an enchantment, Jeweled Amulet allowed you to stockpile Mana much more efficiently than with a Mana Battery, and Runed Arch would allow any massive weenie army to get some of its creatures through unblocked